Surveyed the crap out of the boat, just glanced at the trailer.
Upon close inspection I have decided to drag it down to Drinkwater and have them replace the hubs as well as service the brakes.
Moral of the story... don't forget to spend time looking at the trailer.
Didn't you say your trailer has the rinse commection for a hose?
I know a lot of the guys in FLA like to bring a pump sprayer and spray down the trailer with soap & water after launching but that seems like OVERKILL to me.